Getting started - Math Vocab!

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Algebraic expression - representing a number(s) as a letter(s) in an expression WITHOUT an equals sign!
e.g: 3 lots of n is 12

Equation - representing an algebraic expression using mathematical notation, with 1 variable
3x + 3 = 15
Practice equations here

Function - produces an output from an input (x)
f(x) = 2x - 4
so say x = 2;
f(x) = f(2)
2x2 -4 = 0

Formula - Used to work out the values of things, such as the volume of a box
Volume = length x breadth x height
V = lbh